Reina (レイナ, Reina) is a normal human and the pet owner of Marble.
Reina is a young woman with a shoulder length hair, wearing a long dress and a small hat.
Although having a Rare as a pet, she really cared about him and decided to go into a scary black alley to look for him.
Reina came looking for Marble in a black alley, Sinclair St. She was worried about him, since he is weak and though he probably is crying in a corner. Her husband tried to stop her going further, but she continued. There they encountered the gang Death Punch, and Gargo the leader of the gang defeated their bodyguard with a single punch. he threatened Reina's husband to leave if he values Reina's life, and so they did.
Being a normal human, she doesn't posses any additional strength or abilities than a normal female human has.